Write the following in terms of sin ? and cos ? and then simplify if possible.
?

What will be an ideal response?
Mathematics
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Determine whether or not the set is well defined.{x | x is a mystery book in the library}
A. Well defined B. Not well defined
Mathematics
Solve the problem.One dimension of a rectangular solid is represented by 3x units. The volume of the solid is cubic units. Express each of the other two dimensions of the rectangular solid in terms of x.
A. (6x - 4) and (2x - 5) B. (2x + 4) and (6x - 5) C. (2x - 4) and (6x - 5) D. Not enough information is given.
Mathematics
Convert between English and Metric System of Units.
2.5 m = in. (Round to the nearest tenth.)
A. 98.4 B. 6.4 C. 2.7 D. 90.0
Mathematics
Simplify.
A. 1
B. 0
C.
D. -1
Mathematics